Average GPS coordinates for Erdaoguan/二道关等 Postcode location: 40.359, 116.46. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Erdaoguan/二道关等 on map:

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Listing cities & postcodes (1):
>> Beijing/北京, 101403 Erdaoguan/二道关等, Huairou District/怀柔区, GPS coordinates: 40.35907,116.46038